servo: Merge #19647 - replace DocumentSource::NotFromParser with DocumentSource::FromParser (from tigercosmos:x3); r=jdm

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per https://github.com/servo/servo/pull/4297/files#r158729975

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Source-Repo: https://github.com/servo/servo
Source-Revision: d41f720ee422f53a7c49d0877d105d8750ea404f

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 301ea2abc9fa41a80af1bc2590c108a2ffec8ccf

servo/components/script/dom/domparser.rs

@@ -77,7 +77,6 @@ impl DOMParserMethods for DOMParser {
                 Ok(document)
             }
             Text_xml | Application_xml | Application_xhtml_xml => {
-                // FIXME: this should probably be FromParser when we actually parse the string (#3756).
                 let document = Document::new(&self.window,
                                              HasBrowsingContext::No,
                                              Some(url.clone()),
@@ -86,12 +85,13 @@ impl DOMParserMethods for DOMParser {
                                              Some(content_type),
                                              None,
                                              DocumentActivity::Inactive,
-                                             DocumentSource::NotFromParser,
+                                             DocumentSource::FromParser,
                                              loader,
                                              None,
                                              None,
                                              Default::default());
                 ServoParser::parse_xml_document(&document, s, url);
+                document.set_ready_state(DocumentReadyState::Complete);
                 Ok(document)
             }
         }